Display screen or portion thereof with transitional graphical user interface



FIG. 1 is a front view of a first image of a display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 2 is a front view of a second image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 3 is a front view of a third image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 4 is a front view of a fourth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 5 is a front view of a fifth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 6 is a front view of a sixth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 7 is a front view of a seventh image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 8 is a front view of an eighth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 9 is a front view of a ninth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 10 is a front view of a tenth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 11 is a front view of an eleventh image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 12 is a front view of a twelfth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 13 is a front view of a thirteenth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 14 is a front view of a fourteenth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 15 is a front view of a fifteenth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 16 is a front view of a sixteenth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 17 is a front view of a seventeenth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 18 is a front view of an eighteenth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 19 is a front view of a nineteenth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 20 is a front view of a twentieth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 21 is a front view of a twenty-first image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 22 is a front view of a twenty-second image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 23 is a front view of a twenty-third image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 24 is a front view of a twenty-fourth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 25 is a front view of a twenty-fifth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 26 is a front view of a twenty-sixth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 27 is a front view of a twenty-seventh image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 28 is a front view of a twenty-eighth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 29 is a front view of a twenty-ninth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 30 is a front view of a thirtieth image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 31 is a front view of a thirty-first image of the display screen or portion thereof with transitional graphical user interface according to the claimed design;

FIG. 32 is a front view of a thirty-second image of the display screen or portion thereof with transitional graphical user interface according to the claimed design; and,

FIG. 33 is a front view of a thirty-third image of the display screen or portion thereof with transitional graphical user interface according to the claimed design.

The appearance of the graphical user interface transitions between the images shown in FIGS. 1-33. The process or period in which one image transitions to another image forms no part of he claimed design.

The outer short dash-dash broken lines in the figures illustrate a display screen or portion thereof and form no part of the claimed design. The remaining short dash-dash broken lines and broken line text illustrate portions of the graphical user interface that form no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with transitional graphical user interface, as shown and described. 